# 904

## 904 is an even composite number composed of two prime numbers multiplied together.

What does the number 904 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 8 divisors.

904 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of eight divisors.

## Prime factorization of 904:

### 23 × 113

(2 × 2 × 2 × 113)

See below for interesting mathematical facts about the number 904 from the Numbermatics database.

### Names of 904

• Cardinal: 904 can be written as Nine hundred four.

### Scientific notation

• Scientific notation: 9.04 × 102

### Factors of 904

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 115

### Divisors of 904

• Number of divisors d(n): 8
• Complete list of divisors:
• Sum of all divisors σ(n): 1710
• Sum of proper divisors (its aliquot sum) s(n): 806
• 904 is a deficient number, because the sum of its proper divisors (806) is less than itself. Its deficiency is 98

### Bases of 904

• Binary: 11100010002
• Base-36: P4

### Squares and roots of 904

• 904 squared (9042) is 817216
• 904 cubed (9043) is 738763264
• The square root of 904 is 30.0665927567
• The cube root of 904 is 9.6691762541

### Scales and comparisons

How big is 904?
• 904 seconds is equal to 15 minutes, 4 seconds.
• To count from 1 to 904 would take you about seven minutes.

This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 904 cubic inches would be around 0.8 feet tall.

### Recreational maths with 904

• 904 backwards is 409
• The number of decimal digits it has is: 3
• The sum of 904's digits is 13
• More coming soon!